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13397355560 = 2352331469753
BaseRepresentation
bin11000111101000101…
…10110110000101000
31021120200111011211002
430132202312300220
5204414210334220
610053223454132
7652666433441
oct143642666050
937520434732
1013397355560
115755504586
12271a8b7348
1313567c8734
149114422c8
15536291c75
hex31e8b6c28

13397355560 has 64 divisors (see below), whose sum is σ = 32469396480. Its totient is φ = 4960581120.

The previous prime is 13397355553. The next prime is 13397355599. The reversal of 13397355560 is 6555379331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206357 + ... + 263396.

It is an arithmetic number, because the mean of its divisors is an integer number (507334320).

Almost surely, 213397355560 is an apocalyptic number.

13397355560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13397355560 is an abundant number, since it is smaller than the sum of its proper divisors (19072040920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13397355560 is a wasteful number, since it uses less digits than its factorization.

13397355560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469818 (or 469814 counting only the distinct ones).

The product of its (nonzero) digits is 1275750, while the sum is 47.

The spelling of 13397355560 in words is "thirteen billion, three hundred ninety-seven million, three hundred fifty-five thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 23 31 40 46 62 92 115 124 155 184 230 248 310 460 620 713 920 1240 1426 2852 3565 5704 7130 14260 28520 469753 939506 1879012 2348765 3758024 4697530 9395060 10804319 14562343 18790120 21608638 29124686 43217276 54021595 58249372 72811715 86434552 108043190 116498744 145623430 216086380 291246860 334933889 432172760 582493720 669867778 1339735556 1674669445 2679471112 3349338890 6698677780 13397355560